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4319 Studio Monitor
Throughout the decade of the 1970s and beyond, the JBL® Model 4310 was found in more professional recording
studios than any other monitor, setting the standard of power and realism for all that followed. The JBL 4319 studio
monitor, with its unmistakable blue baffle and grille, continues the proud tradition. Engineered to play loud and long
with unequalled dynamics, sonic clarity and tonal accuracy, the 4319 features a massive, 300mm (12-inch) woofer
driven by a Differential Drive® (U.S. patent no. 5,748,760 and other patents pending) dual voice-coil assembly, a
large inverted-dome midrange driver and a fast magnesium/aluminium dome tweeter. Together, these advanced
transducers deliver quick, tight bass, a natural, well-focused midrange and clear, distinct highs to create listening
experiences with all the richness and detail of the original performance. Die-cast transducer frames dissipate heat
to minimize distortion caused by power compression, and a heavily braced enclosure virtually eliminates unwanted
internal resonances. Music professionals and critical listeners have only the highest expectations for JBL studio
monitors, and the JBL 4319 delivers brilliantly.
The next-generation JBL® monitor
TECHNICAL SPECIFICATIONS
Low-frequency transducer: 300mm (12") Differential Drive cone driver with dual 3" voice coils, castaluminium
frame and an Aquaplas-coated cone (2213Nd-1)
Midrange transducer: 125mm (5") inverted-dome driver with magnesium/aluminium alloy diaphragm
(105H-2)
High-frequency transducer: 25mm (1") compression driver with magnesium/aluminium alloy diaphragm
(054ALMg-1)
Recommended amplifier power: 200 watts RMS
Frequency response: 35Hz – 40kHz (–6dB)
Nominal impedance: 6 ohms
Sensitivity: 92dB (2.83V/1m)
Crossover frequencies: 650Hz, 2200Hz
4319
Studio Monitor
TECHNICAL SPECIFICATIONS
Low-frequency transducer: 300mm (12") Differential Drive cone driver with dual 3" voice coils, castaluminium
frame and an Aquaplas-coated cone (2213Nd-1)
Midrange transducer: 125mm (5") inverted-dome driver with magnesium/aluminium alloy diaphragm
(105H-2)
High-frequency transducer: 25mm (1") compression driver with magnesium/aluminium alloy diaphragm
(054ALMg-1)
Recommended amplifier power: 200 watts RMS
Frequency response: 35Hz – 40kHz (–6dB)
Nominal impedance: 6 ohms
Sensitivity: 92dB (2.83V/1m)
Crossover frequencies: 650Hz, 2200Hz
4319 Studio Monitor
The next-generation JBL monitor
TECHNICAL SPECIFICATIONS (continued)
Controls: Attenuators for MF and HF drivers
Enclosure type: 19mm (3/4") MDF (medium-density fibreboard) stock,
ported
Connector type: Dual gold-plated five-way binding posts
Finish: Walnut, with polyurethane finish
Grille colour: Monitor blue
Dimensions (H x W x D): 597mm x 362mm x 300mm/302mm with grille
23-1/2" x 14-1/4" x 12"/11-7/8" with grille
Weight: 16.3kg (35.9 lb)
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